Journal
APPETITE
Volume 52, Issue 2, Pages 299-306Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.appet.2008.10.007
Keywords
Attentional bias; Implicit evaluation; Cognitive bias; External eating; Food cues; Reward
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Individual differences in sensitivity of neural reward systems to external appetitive cues may determine normal and pathological eating behaviour. In the current study we investigated the relationship between cognitive biases for food Cues and the trait predisposition of external eating (eating in response to external food cues). Biases in attention, approach and subjective evaluation of food cues were assessed on pictorial Visual probe, Stimulus response compatibility (SRC) and pleasantness rating tasks, respectively, in a sample of non-clinical participants. High-external eating was associated with a greater attentional bias for food cues, as well as with a bias to evaluate them more positively. The relationship between external eating and the approach bias for food cues was less clear (i.e., high-external eating was not significantly associated with greater approach bias after controlling the effect of emotional eating). Results support the view that there is individual variation in trait sensitivity of the reward system to external food cues. Implications for models of cognitive mechanisms that underlie normal and pathological motivational states are discussed. (C) 2008 Elsevier Ltd. All rights reserved.
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